Willson River, SA
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 6
- Median age
- 75
- Household income
- $450/wk
- Socio-economic advantage
- Decile 5/10 in SA
- Nearest emergency dept
- South Coast District Hospital · 68.1 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Growth & supply · Kangaroo Island
District population (2025)
5,212
+9% over 10 years
New homes approved (12 mths to May 2026)
51
houses 49 · other 2
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Check any address in Willson River
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All figures from official open data with attribution; estimates and medians are statistical outputs, not valuations. Suburb boundaries follow ABS Suburbs and Localities (SAL) 2021.